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Sending a message to nil in Objective-C
... but you save programmer time, which is a far more expensive resource than CPU time. In addition, you're eliminating more code and more conditional complexity from your application.
Clarifying for downvoters: you may think this is not a good way to go, but it's how the language is implemented, and ...
Difference between Groovy Binary and Source release?
...ore common on linux systems because linux systems can dramatically vary in cpu, installed library versions, kernelversions and nearly every linux system has a compiler installed.
binary releases are common on ms-windows systems. most windows machines do not have a compiler installed.
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How to find out which view is focused?
...()
Be aware this thread runs in a 100ms cycle so it doesn't overflow the CPU with unnecessary work.
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Are static variables shared between threads?
...lem is more complex. Visibility of shared data can be affected not only by CPU caches, but also by out-of-order execution of instructions.
Therefore Java defines a Memory Model, that states under which circumstances threads can see consistent state of the shared data.
In your particular case, addi...
How do I include a pipe | in my linux find -exec command?
... advantage of xargs would be, that you can speed it with modern multi core cpu even more up, by using the -P switch (-P 0).
– flolo
Nov 20 '08 at 23:03
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How can I generate a unique ID in Python? [duplicate]
...dom library :)
1 million id per second ?... on a Intel(R) Core(TM)2 CPU 6400 @ 2.13GHz, you get :
>>> timeit.timeit(uniqueid,number=40000)
1.0114529132843018
an average of 40000 id/second
"""
mynow=datetime.now
sft=datetime.strftime
# store old dat...
Fastest way to extract frames using ffmpeg?
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I'd like to add that while JPEG isn't really hard on the CPU, uncompressed Bitmaps is really really hard on the storage, so I doubt you'll get higher throughput with BMP compared to JPEG.
– Marcus Müller
Apr 3 '17 at 13:12
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总结const_cast、static_cast、dynamic_cast、reinterpret_cast - C/C++ - ...
...至它即便不是一个CDerived你也可以这样做。
当然，这个问题只在如果你做了多继承时发生。在你将CDerived转换 到 CBaseX时static_cast<> 和 reinterpret_cast<>是没有区别的。
情况3：void*之间的向前和向后转换
因为任何指针可以被转...
Eclipse “Invalid Project Description” when creating new project from existing source
... of many. Now it's finally trying to load, but literally taking forever on CPU. I reinstalled eclipse to no avail, but thanks for this. One step closer now.
– Stephen J
Jun 9 '14 at 5:56
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What is “Power Save Mode” in IntelliJ IDEA and other Jetbrains IDEs?
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It seems that they do get a LOT of cpu time even when they are in background doing nothing! Still looking for a better solution, as in freezing them while in background and not running the debugger.
– sorin
Apr 1 '15 at 1...